Synonyms|38Antonyms|0|Broader|2Narrower|0Related|4
1
sleeper(unknown, doubtfulness, underdog, improbability, also-ran)
1
slim chance(expression, unknown, doubtfulness, underdog, sleeper)
1
small chance(expression, unknown, doubtfulness, underdog, sleeper)
1
stalking horse(expression, unknown, doubtfulness, underdog, sleeper)
1
terra incognita
1
underdog(unknown, doubtfulness, sleeper, improbability, also-ran)
1
unexpected winner(expression, unknown, doubtfulness, underdog, sleeper)
1
unlikelihood(unknown, doubtfulness, underdog, sleeper, improbability)
1
unlikely winner(expression, unknown, doubtfulness, underdog, sleeper)
1
upsetter(unknown, doubtfulness, underdog, sleeper, improbability)
0
alien
0
doubtfulness(improbability, implausibility)
0
dubiousness(doubtfulness, improbability, implausibility)
0
implausibility(doubtfulness, improbability)
0
incongruousness(doubtfulness, improbability, implausibility)
0
questionability(doubtfulness, improbability, implausibility)
0
stranger
0
variable
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APASmart Define. (2015). unknown quantity thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/unknown_quantity/thesaurus/synonyms
ChicagoSmart Define. 2015. "unknown quantity thesaurus" https://smartdefine.org/unknown_quantity/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, unknown quantity thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/unknown_quantity/thesaurus/synonyms>.
MLASmart Define. "unknown quantity thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/unknown_quantity/thesaurus/synonyms>